/* ============================================
   KLEINES CAFÉ - Main Stylesheet
   Modern, Professional, Beautiful Design
   ============================================ */

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */
:root {
    /* Colors - Warm, inviting cafe palette */
    --primary-color: #8B4513;        /* Rich coffee brown */
    --primary-dark: #5D2E0F;
    --primary-light: #A0522D;
    --secondary-color: #D4A574;      /* Warm latte */
    --accent-color: #C19A6B;         /* Caramel */

    --text-dark: #2C1810;
    --text-light: #6B5D56;
    --text-white: #FFFFFF;

    --bg-light: #FAF8F5;
    --bg-white: #FFFFFF;
    --bg-dark: #3E2723;

    --border-color: #E8DDD3;
    --shadow-light: rgba(139, 69, 19, 0.1);
    --shadow-medium: rgba(139, 69, 19, 0.2);
    --shadow-heavy: rgba(139, 69, 19, 0.3);

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-normal);
}

a:hover {
    color: var(--primary-color);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-light);
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 1rem auto 2rem;
    border-radius: 2px;
}

/* ============================================
   Navigation Bar
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow-light);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px var(--shadow-medium);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: var(--bg-light);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    background-image: url('../images/downloaded/hero-1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(93, 46, 15, 0.7) 0%, rgba(139, 69, 19, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Fade-in animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s backwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border-color: var(--text-white);
}

.btn-secondary:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-block {
    width: 100%;
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px var(--shadow-light);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ============================================
   Menu Section
   ============================================ */
.menu {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.menu-category {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px var(--shadow-light);
}

.category-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.menu-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.menu-item {
    transition: var(--transition-normal);
}

.menu-item:hover {
    transform: translateX(5px);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.menu-item h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin: 0;
}

.price {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.menu-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--transition-normal);
}

.gallery-overlay span {
    color: var(--text-white);
    font-size: 1.1rem;
    font-weight: 500;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* ============================================
   Reviews Section
   ============================================ */
.reviews {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.review-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px var(--shadow-light);
    transition: var(--transition-normal);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.stars {
    color: #FFB800;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.review-text {
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.reviewer-name {
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.google-rating {
    text-align: center;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
}

.google-rating p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.google-rating strong {
    color: var(--primary-color);
    font-size: 1.3rem;
}

/* ============================================
   Location Section
   ============================================ */
.location {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.location-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.location-info h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.info-item {
    margin-bottom: 2rem;
}

.info-item strong {
    display: block;
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.info-item p {
    color: var(--text-light);
    line-height: 1.8;
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 24px var(--shadow-light);
}

.map-container iframe {
    display: block;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

.contact-item a {
    color: var(--text-light);
}

.contact-item a:hover {
    color: var(--primary-color);
}

.contact-form-wrapper {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px var(--shadow-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-message {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 1rem;
    text-align: center;
}

.form-message.success {
    background: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.form-message.error {
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--shadow-medium);
    transition: var(--transition-normal);
    z-index: 999;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--shadow-heavy);
}

.back-to-top.visible {
    display: flex;
}

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 3rem;
    color: var(--text-white);
    font-size: 3rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.lightbox-close:hover {
    color: var(--secondary-color);
}

.lightbox-caption {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-white);
    font-size: 1.2rem;
    text-align: center;
}